He is doubly troubled, by illness and poverty.

他受着疾病和贫穷的双重困扰。

They were doubly confident after this that he would win.

自他们信心倍增,觉得他肯定会赢。

Part-time workers, the majority of whom are women, are doubly disadvantaged.

兼职工作者多为女性，处于双重的不利条件下。

Her disability made taking care of the home and raising a family doubly difficult.

她的残障为她口又增添了一种困难。

You must be doubly careful.

你必须加倍小心。

To make doubly sure they would not be disturbed she turned the key in the lock.

她用钥匙开门，进一步确保不会打扰他们。